How to Repair Car Key Fobs
Key fobs are susceptible to damage even if we utilize them a lot. In fact, they are able to be destroyed in a variety of ways.
While the most common issue is an unresponsive battery but other issues can be more grave. Luckily, most of these issues can be solved by a simple DIY fix at home.
Dead Battery
A dead battery is the most common reason for a key fob not working. Fob batteries drain quickly, especially when they're exposed to extreme temperatures, humidity or water. It is a good idea to keep an additional fob battery in your wallet just in case.
The LED light will usually stop blinking when the battery in your car key fob is running low. It's also possible that the fob won't function from the same distance as it used to. In this instance it might be necessary to re-program your key fob or replace it altogether.
Fortunately replacing a car key fob battery is simple. First, you need to determine the type of battery is used. The type should be engraved on the side of the fob. Google can assist you when you're not sure. The key fob can be opened along the seam after you've identified the battery type. Utilize a flathead screwdriver or even your fingernail to pry apart the two halves. Remove the old battery and replace it with a new one. Be sure to insert the new battery with the positive (+) side facing towards the buttons on the fob.
Some drivers might not be aware that the fob is dead until they try to lock or unlock their car and the buttons aren't responding. This can be corrected by reprogramming the fob. However it can be time-consuming and expensive. Another option is to contact roadside assistance and see if they are able to jump your vehicle and get you back on the road.
If you have tried both of these solutions and your car still won't start and you're not sure why, it's time for an expert. A trained technician can tell whether your car's computer requires changing its programming, or if the fob only requires a new battery. remote key fob repair can also recommend a reputable auto shop to replace your fob's keys. Sometimes an entirely new fob may be the best solution.
Circuit Board Damage
A key fob can take a lot of physical abuse and isn't indestructible. The battery, circuit board buttons, and other components all suffer their fair share of wear and tear over the course of time It is therefore essential to be aware and take care of them to keep your car key fob operating efficiently.
The easiest way to test is to make sure the battery in the key fob isn't dying. Replace the battery to see if it fixes your issue. If this does not work, you may need to open the fob and clean the contact surfaces. This can be tricky since some key fobs do not have easy-release mechanisms to open them up and you could harm your device if you attempt to break it. You can buy a tool to open your key fob. However, you should follow the directions of the manufacturer to avoid damaging it.
A damaged or corrupted key circuit board for the fob is another frequent issue. This can be caused by many things, such as dirt or moisture that gets into the battery compartment software, hardware issues or even an unintentional firmware update. If your key fob isn't working, you may think about having it changed. This can be accomplished by a locksmith who specializes in this kind of work.
Radio interference is also a possibility. This can occur when you have other wireless devices that transmit on the same frequency, such as radar detectors or home security systems. If this is the case you need to contact the manufacturer of the other device to ensure that your key fob will not be affected by their signals.
There may be a need to replace a switch or another electrical component of your key fob. This is a harder fix, but you can find guides online that explain how to fix it yourself. Be cautious when doing this, though it is important to be careful, since the circuit boards in the key fob are tiny and are susceptible to breaking when handled rough. If you decide to do this yourself, make certain to use a top quality SMT switch and then solder it in place correctly.
Out Buttons Out Buttons
Car key fobs can suffer a lot of wear and tear. They are prone to getting dropped and spend a lot of time being jostled in your purse or pocket. The constant jostling can cause the buttons to wear out or become stuck. In this case it's possible that a simple adjustment will be all it takes to restore the button's functionality.
Most modern key fobs have sensors on them that detect when they've been used. This is because they lower the chance of someone else stealing your vehicle. If the buttons on your key fob don't work when pressed, they are damaged and should be replaced.
The circuit board that is in the key fob also transmits signals to your car. These signals include commands to unlock and lock your car, as well commands to start the engine. If the internal circuit board is damaged, then your key fob might not be able to unlock or start your engine. This kind of damage is typically caused by blunt force or water.
If you're having to press the buttons harder than usual in order to get them to function If this is the case, then your fob's buttons are wearing out. Your fob might also stop sending an alert to your vehicle or have a shorter range.
Contact a locksmith right away in the event that you are unable to use your key fob for your vehicle. They'll be able to tell whether the key fob is damaged or the ignition cylinder has worn down.
Fortunately, most car keyfob issues aren't very complicated or even serious. The best way to avoid getting caught off guard by a malfunctioning key fob is to keep an extra key in your possession at all times. This will ensure that you're not trapped in a place because of a lost or malfunctioning key. Of course, if you do lose your car key spare, a locksmith can help reset it to ensure it is compatible with the ignition of your car. They'll also be able fix any internal damage that's occurred on the key fob.
Broken Case
The case of your key fob is more than just a place to store the buttons and battery. The case also houses the circuitry that executes all the electrical magic when you press the button on your key fob. The board transmits the signal from your keyfob to your car.
If the board is damaged or dead, your key fob won't be able to function. A dead key fob may require reprogramming by a local auto locksmith or dealer.
Another reason your key fob might not be working is that the batteries are dying. The battery can be replaced at home. The positive side is that you can find an alternative battery on the internet or at your local auto parts store, since the batteries aren't limited to key fobs.
Depending on the kind of key fob, there are a variety of ways to open it up and gain access to the inside. A quick internet search should show you which type of key fob you have and what kind of battery it requires. You can then buy an alternative and take the old one out, and then put the new one into.
If you are repairing a damaged key fob, the most important concern is not to damage the circuit or buttons in any way. Trying to pry apart the fob using an edge that is sharp like a screwdriver can cause damage to the case or damage the plastic. A replacement case isn't expensive and you can purchase the entire fob including the electronics on eBay or Amazon for under $40.
If your key fob isn't working look into whether the batteries are dead or if the circuit board has been damaged. If this isn't the case, a professional will repair it for you quickly and inexpensively. If not, it may be time to replace the fob. Be sure to check the warranty of any fob replacement or used purchased online.